How many movies have Ilse Peternell and Walter Müller acted in together?

They have worked on 4 movies together! Their first movie together was Imperial Manoeuvres (1954) while their highest rated movie together was Unsere tollen Tanten (1961). They have not worked together since Das Spukschloß im Salzkammergut (1966). They are most known for their comedy films together.